1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/tests/mochitest/ajax/mochikit/MochiKit/Selector.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,431 @@
1.4 +/***
1.5 +
1.6 +MochiKit.Selector 1.4
1.7 +
1.8 +See <http://mochikit.com/> for documentation, downloads, license, etc.
1.9 +
1.10 +(c) 2005 Bob Ippolito and others. All rights Reserved.
1.11 +
1.12 +***/
1.13 +
1.14 +if (typeof(dojo) != 'undefined') {
1.15 + dojo.provide('MochiKit.Selector');
1.16 + dojo.require('MochiKit.Base');
1.17 + dojo.require('MochiKit.DOM');
1.18 + dojo.require('MochiKit.Iter');
1.19 +}
1.20 +
1.21 +if (typeof(JSAN) != 'undefined') {
1.22 + JSAN.use("MochiKit.Base", []);
1.23 + JSAN.use("MochiKit.DOM", []);
1.24 + JSAN.use("MochiKit.Iter", []);
1.25 +}
1.26 +
1.27 +try {
1.28 + if (typeof(MochiKit.Base) === 'undefined' ||
1.29 + typeof(MochiKit.DOM) === 'undefined' ||
1.30 + typeof(MochiKit.Iter) === 'undefined') {
1.31 + throw "";
1.32 + }
1.33 +} catch (e) {
1.34 + throw "MochiKit.Selector depends on MochiKit.Base, MochiKit.DOM and MochiKit.Iter!";
1.35 +}
1.36 +
1.37 +if (typeof(MochiKit.Selector) == 'undefined') {
1.38 + MochiKit.Selector = {};
1.39 +}
1.40 +
1.41 +MochiKit.Selector.NAME = "MochiKit.Selector";
1.42 +
1.43 +MochiKit.Selector.VERSION = "1.4";
1.44 +
1.45 +MochiKit.Selector.__repr__ = function () {
1.46 + return "[" + this.NAME + " " + this.VERSION + "]";
1.47 +};
1.48 +
1.49 +MochiKit.Selector.toString = function () {
1.50 + return this.__repr__();
1.51 +};
1.52 +
1.53 +MochiKit.Selector.EXPORT = [
1.54 + "Selector",
1.55 + "findChildElements",
1.56 + "findDocElements",
1.57 + "$$"
1.58 +];
1.59 +
1.60 +MochiKit.Selector.EXPORT_OK = [
1.61 +];
1.62 +
1.63 +MochiKit.Selector.Selector = function (expression) {
1.64 + this.params = {classNames: [], pseudoClassNames: []};
1.65 + this.expression = expression.toString().replace(/(^\s+|\s+$)/g, '');
1.66 + this.parseExpression();
1.67 + this.compileMatcher();
1.68 +};
1.69 +
1.70 +MochiKit.Selector.Selector.prototype = {
1.71 + /***
1.72 +
1.73 + Selector class: convenient object to make CSS selections.
1.74 +
1.75 + ***/
1.76 + __class__: MochiKit.Selector.Selector,
1.77 +
1.78 + /** @id MochiKit.Selector.Selector.prototype.parseExpression */
1.79 + parseExpression: function () {
1.80 + function abort(message) {
1.81 + throw 'Parse error in selector: ' + message;
1.82 + }
1.83 +
1.84 + if (this.expression == '') {
1.85 + abort('empty expression');
1.86 + }
1.87 +
1.88 + var repr = MochiKit.Base.repr;
1.89 + var params = this.params;
1.90 + var expr = this.expression;
1.91 + var match, modifier, clause, rest;
1.92 + while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!^$*]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
1.93 + params.attributes = params.attributes || [];
1.94 + params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
1.95 + expr = match[1];
1.96 + }
1.97 +
1.98 + if (expr == '*') {
1.99 + return this.params.wildcard = true;
1.100 + }
1.101 +
1.102 + while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+(?:\([^)]*\))?)(.*)/i)) {
1.103 + modifier = match[1];
1.104 + clause = match[2];
1.105 + rest = match[3];
1.106 + switch (modifier) {
1.107 + case '#':
1.108 + params.id = clause;
1.109 + break;
1.110 + case '.':
1.111 + params.classNames.push(clause);
1.112 + break;
1.113 + case ':':
1.114 + params.pseudoClassNames.push(clause);
1.115 + break;
1.116 + case '':
1.117 + case undefined:
1.118 + params.tagName = clause.toUpperCase();
1.119 + break;
1.120 + default:
1.121 + abort(repr(expr));
1.122 + }
1.123 + expr = rest;
1.124 + }
1.125 +
1.126 + if (expr.length > 0) {
1.127 + abort(repr(expr));
1.128 + }
1.129 + },
1.130 +
1.131 + /** @id MochiKit.Selector.Selector.prototype.buildMatchExpression */
1.132 + buildMatchExpression: function () {
1.133 + var repr = MochiKit.Base.repr;
1.134 + var params = this.params;
1.135 + var conditions = [];
1.136 + var clause, i;
1.137 +
1.138 + function childElements(element) {
1.139 + return "MochiKit.Base.filter(function (node) { return node.nodeType == 1; }, " + element + ".childNodes)";
1.140 + }
1.141 +
1.142 + if (params.wildcard) {
1.143 + conditions.push('true');
1.144 + }
1.145 + if (clause = params.id) {
1.146 + conditions.push('element.id == ' + repr(clause));
1.147 + }
1.148 + if (clause = params.tagName) {
1.149 + conditions.push('element.tagName.toUpperCase() == ' + repr(clause));
1.150 + }
1.151 + if ((clause = params.classNames).length > 0) {
1.152 + for (i = 0; i < clause.length; i++) {
1.153 + conditions.push('MochiKit.DOM.hasElementClass(element, ' + repr(clause[i]) + ')');
1.154 + }
1.155 + }
1.156 + if ((clause = params.pseudoClassNames).length > 0) {
1.157 + for (i = 0; i < clause.length; i++) {
1.158 + var match = clause[i].match(/^([^(]+)(?:\((.*)\))?$/);
1.159 + var pseudoClass = match[1];
1.160 + var pseudoClassArgument = match[2];
1.161 + switch (pseudoClass) {
1.162 + case 'root':
1.163 + conditions.push('element.nodeType == 9 || element === element.ownerDocument.documentElement'); break;
1.164 + case 'nth-child':
1.165 + case 'nth-last-child':
1.166 + case 'nth-of-type':
1.167 + case 'nth-last-of-type':
1.168 + match = pseudoClassArgument.match(/^((?:(\d+)n\+)?(\d+)|odd|even)$/);
1.169 + if (!match) {
1.170 + throw "Invalid argument to pseudo element nth-child: " + pseudoClassArgument;
1.171 + }
1.172 + var a, b;
1.173 + if (match[0] == 'odd') {
1.174 + a = 2;
1.175 + b = 1;
1.176 + } else if (match[0] == 'even') {
1.177 + a = 2;
1.178 + b = 0;
1.179 + } else {
1.180 + a = match[2] && parseInt(match) || null;
1.181 + b = parseInt(match[3]);
1.182 + }
1.183 + conditions.push('this.nthChild(element,' + a + ',' + b
1.184 + + ',' + !!pseudoClass.match('^nth-last') // Reverse
1.185 + + ',' + !!pseudoClass.match('of-type$') // Restrict to same tagName
1.186 + + ')');
1.187 + break;
1.188 + case 'first-child':
1.189 + conditions.push('this.nthChild(element, null, 1)');
1.190 + break;
1.191 + case 'last-child':
1.192 + conditions.push('this.nthChild(element, null, 1, true)');
1.193 + break;
1.194 + case 'first-of-type':
1.195 + conditions.push('this.nthChild(element, null, 1, false, true)');
1.196 + break;
1.197 + case 'last-of-type':
1.198 + conditions.push('this.nthChild(element, null, 1, true, true)');
1.199 + break;
1.200 + case 'only-child':
1.201 + conditions.push(childElements('element.parentNode') + '.length == 1');
1.202 + break;
1.203 + case 'only-of-type':
1.204 + conditions.push('MochiKit.Base.filter(function (node) { return node.tagName == element.tagName; }, ' + childElements('element.parentNode') + ').length == 1');
1.205 + break;
1.206 + case 'empty':
1.207 + conditions.push('element.childNodes.length == 0');
1.208 + break;
1.209 + case 'enabled':
1.210 + conditions.push('(this.isUIElement(element) && element.disabled === false)');
1.211 + break;
1.212 + case 'disabled':
1.213 + conditions.push('(this.isUIElement(element) && element.disabled === true)');
1.214 + break;
1.215 + case 'checked':
1.216 + conditions.push('(this.isUIElement(element) && element.checked === true)');
1.217 + break;
1.218 + case 'not':
1.219 + var subselector = new MochiKit.Selector.Selector(pseudoClassArgument);
1.220 + conditions.push('!( ' + subselector.buildMatchExpression() + ')')
1.221 + break;
1.222 + }
1.223 + }
1.224 + }
1.225 + if (clause = params.attributes) {
1.226 + MochiKit.Base.map(function (attribute) {
1.227 + var value = 'MochiKit.DOM.getNodeAttribute(element, ' + repr(attribute.name) + ')';
1.228 + var splitValueBy = function (delimiter) {
1.229 + return value + '.split(' + repr(delimiter) + ')';
1.230 + }
1.231 +
1.232 + switch (attribute.operator) {
1.233 + case '=':
1.234 + conditions.push(value + ' == ' + repr(attribute.value));
1.235 + break;
1.236 + case '~=':
1.237 + conditions.push(value + ' && MochiKit.Base.findValue(' + splitValueBy(' ') + ', ' + repr(attribute.value) + ') > -1');
1.238 + break;
1.239 + case '^=':
1.240 + conditions.push(value + '.substring(0, ' + attribute.value.length + ') == ' + repr(attribute.value));
1.241 + break;
1.242 + case '$=':
1.243 + conditions.push(value + '.substring(' + value + '.length - ' + attribute.value.length + ') == ' + repr(attribute.value));
1.244 + break;
1.245 + case '*=':
1.246 + conditions.push(value + '.match(' + repr(attribute.value) + ')');
1.247 + break;
1.248 + case '|=':
1.249 + conditions.push(
1.250 + value + ' && ' + splitValueBy('-') + '[0].toUpperCase() == ' + repr(attribute.value.toUpperCase())
1.251 + );
1.252 + break;
1.253 + case '!=':
1.254 + conditions.push(value + ' != ' + repr(attribute.value));
1.255 + break;
1.256 + case '':
1.257 + case undefined:
1.258 + conditions.push(value + ' != null');
1.259 + break;
1.260 + default:
1.261 + throw 'Unknown operator ' + attribute.operator + ' in selector';
1.262 + }
1.263 + }, clause);
1.264 + }
1.265 +
1.266 + return conditions.join(' && ');
1.267 + },
1.268 +
1.269 + /** @id MochiKit.Selector.Selector.prototype.compileMatcher */
1.270 + compileMatcher: function () {
1.271 + this.match = new Function('element', 'if (!element.tagName) return false; \
1.272 + return ' + this.buildMatchExpression());
1.273 + },
1.274 +
1.275 + /** @id MochiKit.Selector.Selector.prototype.nthChild */
1.276 + nthChild: function (element, a, b, reverse, sametag){
1.277 + var siblings = MochiKit.Base.filter(function (node) {
1.278 + return node.nodeType == 1;
1.279 + }, element.parentNode.childNodes);
1.280 + if (sametag) {
1.281 + siblings = MochiKit.Base.filter(function (node) {
1.282 + return node.tagName == element.tagName;
1.283 + }, siblings);
1.284 + }
1.285 + if (reverse) {
1.286 + siblings = MochiKit.Iter.reversed(siblings);
1.287 + }
1.288 + if (a) {
1.289 + var actualIndex = MochiKit.Base.findIdentical(siblings, element);
1.290 + return ((actualIndex + 1 - b) / a) % 1 == 0;
1.291 + } else {
1.292 + return b == MochiKit.Base.findIdentical(siblings, element) + 1;
1.293 + }
1.294 + },
1.295 +
1.296 + /** @id MochiKit.Selector.Selector.prototype.isUIElement */
1.297 + isUIElement: function (element) {
1.298 + return MochiKit.Base.findValue(['input', 'button', 'select', 'option', 'textarea', 'object'],
1.299 + element.tagName.toLowerCase()) > -1;
1.300 + },
1.301 +
1.302 + /** @id MochiKit.Selector.Selector.prototype.findElements */
1.303 + findElements: function (scope, axis) {
1.304 + var element;
1.305 +
1.306 + if (axis == undefined) {
1.307 + axis = "";
1.308 + }
1.309 +
1.310 + function inScope(element, scope) {
1.311 + if (axis == "") {
1.312 + return MochiKit.DOM.isChildNode(element, scope);
1.313 + } else if (axis == ">") {
1.314 + return element.parentNode == scope;
1.315 + } else if (axis == "+") {
1.316 + return element == nextSiblingElement(scope);
1.317 + } else if (axis == "~") {
1.318 + var sibling = scope;
1.319 + while (sibling = nextSiblingElement(sibling)) {
1.320 + if (element == sibling) {
1.321 + return true;
1.322 + }
1.323 + }
1.324 + return false;
1.325 + } else {
1.326 + throw "Invalid axis: " + axis;
1.327 + }
1.328 + }
1.329 +
1.330 + if (element = MochiKit.DOM.getElement(this.params.id)) {
1.331 + if (this.match(element)) {
1.332 + if (!scope || inScope(element, scope)) {
1.333 + return [element];
1.334 + }
1.335 + }
1.336 + }
1.337 +
1.338 + function nextSiblingElement(node) {
1.339 + node = node.nextSibling;
1.340 + while (node && node.nodeType != 1) {
1.341 + node = node.nextSibling;
1.342 + }
1.343 + return node;
1.344 + }
1.345 +
1.346 + if (axis == "") {
1.347 + scope = (scope || MochiKit.DOM.currentDocument()).getElementsByTagName(this.params.tagName || '*');
1.348 + } else if (axis == ">") {
1.349 + if (!scope) {
1.350 + throw "> combinator not allowed without preceeding expression";
1.351 + }
1.352 + scope = MochiKit.Base.filter(function (node) {
1.353 + return node.nodeType == 1;
1.354 + }, scope.childNodes);
1.355 + } else if (axis == "+") {
1.356 + if (!scope) {
1.357 + throw "+ combinator not allowed without preceeding expression";
1.358 + }
1.359 + scope = nextSiblingElement(scope) && [nextSiblingElement(scope)];
1.360 + } else if (axis == "~") {
1.361 + if (!scope) {
1.362 + throw "~ combinator not allowed without preceeding expression";
1.363 + }
1.364 + var newscope = [];
1.365 + while (nextSiblingElement(scope)) {
1.366 + scope = nextSiblingElement(scope);
1.367 + newscope.push(scope);
1.368 + }
1.369 + scope = newscope;
1.370 + }
1.371 +
1.372 + if (!scope) {
1.373 + return [];
1.374 + }
1.375 +
1.376 + var results = MochiKit.Base.filter(MochiKit.Base.bind(function (scopeElt) {
1.377 + return this.match(scopeElt);
1.378 + }, this), scope);
1.379 +
1.380 + return results;
1.381 + },
1.382 +
1.383 + /** @id MochiKit.Selector.Selector.prototype.repr */
1.384 + repr: function () {
1.385 + return 'Selector(' + this.expression + ')';
1.386 + },
1.387 +
1.388 + toString: MochiKit.Base.forwardCall("repr")
1.389 +};
1.390 +
1.391 +MochiKit.Base.update(MochiKit.Selector, {
1.392 +
1.393 + /** @id MochiKit.Selector.findChildElements */
1.394 + findChildElements: function (element, expressions) {
1.395 + return MochiKit.Base.flattenArray(MochiKit.Base.map(function (expression) {
1.396 + var nextScope = "";
1.397 + return MochiKit.Iter.reduce(function (results, expr) {
1.398 + if (match = expr.match(/^[>+~]$/)) {
1.399 + nextScope = match[0];
1.400 + return results;
1.401 + } else {
1.402 + var selector = new MochiKit.Selector.Selector(expr);
1.403 + var elements = MochiKit.Iter.reduce(function (elements, result) {
1.404 + return MochiKit.Base.extend(elements, selector.findElements(result || element, nextScope));
1.405 + }, results, []);
1.406 + nextScope = "";
1.407 + return elements;
1.408 + }
1.409 + }, expression.replace(/(^\s+|\s+$)/g, '').split(/\s+/), [null]);
1.410 + }, expressions));
1.411 + },
1.412 +
1.413 + findDocElements: function () {
1.414 + return MochiKit.Selector.findChildElements(MochiKit.DOM.currentDocument(), arguments);
1.415 + },
1.416 +
1.417 + __new__: function () {
1.418 + var m = MochiKit.Base;
1.419 +
1.420 + this.$$ = this.findDocElements;
1.421 +
1.422 + this.EXPORT_TAGS = {
1.423 + ":common": this.EXPORT,
1.424 + ":all": m.concat(this.EXPORT, this.EXPORT_OK)
1.425 + };
1.426 +
1.427 + m.nameFunctions(this);
1.428 + }
1.429 +});
1.430 +
1.431 +MochiKit.Selector.__new__();
1.432 +
1.433 +MochiKit.Base._exportSymbols(this, MochiKit.Selector);
1.434 +
